Hourly Weather | Today Monday, March 16, 2026
Active Weather Warnings
Oceanside, California
11 PM
Cloudy Night
55°
Feels Like 57°
0
Humidity: 88%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.06 µg/m³
  • PM10: 25.23 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Weather Alerts and Warnings for Oceanside

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued March 14 at 5:51AM PDT until March 20 at 8:00PM PDT by NWS San Diego CA
Mar 16, 10:00 AM Mar 20, 8:00 PM
WHAT: Dangerously hot conditions with temperatures 85 to 90 near
the coast, up to 105 inland.

WHERE: Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Valleys, and Santa
Ana Mountains and Foothills.

WHEN: From Monday morning through Friday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.

ADDITIONAL DETAILS: High temperatures next week will be 20 to
potentially 30 degrees above
normal for this time of year, where record breaking heat is likely.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Updated: Mar 14, 10:51 AM Source: NWS Alert
Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued March 16 at 8:47PM PDT until March 18 at 11:00PM PDT by NWS San Diego CA
Mar 16, 8:47 PM Mar 18, 11:00 PM
WHAT: Surf of 3 to 6 feet, with sets to 7 feet.

WHERE: San Diego County Coastal Areas and Orange County
Coastal Areas.

WHEN: Through Wednesday evening.

IMPACTS: Moderate rip current risk and locally hazardous
swimming conditions.
+ Read More
Remain out of the water to avoid hazardous swimming conditions.
Updated: Mar 16, 9:57 PM Source: NWS Alert
Moderate Expected Likely

Heat Advisory

Heat Advisory issued March 16 at 9:54PM PDT until March 20 at 8:00PM PDT by NWS San Diego CA
Mar 16, 9:54 PM Mar 20, 8:00 PM
WHAT: Hot conditions with temperatures 80 to 90 degrees near the
coast and 95 to 102, locally up to 105 degrees inland. Overnight
lows will be in the 60s.

WHERE: Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Valleys, and Santa
Ana Mountains and Foothills.

WHEN: Until 8 PM PDT Friday.

IMPACTS: Hot temperatures may cause heat illnesses. Increased
heat impacts due to long-duration early season heat wave.

ADDITIONAL DETAILS: High temperatures this week will be 20 to 30
degrees above normal for this time of year. Record breaking heat
is likely. Widespread Moderate to locally Major HeatRisk is
expected.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Mar 16, 9:57 PM Source: NWS Alert